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The above is just a synchronous chain of responsibilities, We let each node function return a specific value "nextSuccessor" synchronously, To indicate whether to pass the request to the next node, we will often encounter AJAX asynchronous requests in our development. After the request is successful, we need to do something so-and-so. At this time, if we apply the above synchronous request again, it will not take effect. Let's understand and use asynchronous responsibility chain to solve this problem. We add another prototype method Chain.prototype.next to the Chain class to manually pass the request to the next node in the responsibility chain.0 Register multiple delegate instances or methods for the event with + =文小桃想了想，最后还是红着脸，点点头。(未完待续……) show_style();。《桐柏英雄》是一部中国解放战争题材的电视剧，改编自同名小说《桐柏英雄》。由桑华、祝东宁、白杨导演，何晟铭、张逗逗、金晨等主演。/point